Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 56, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 29, 1998, 9:14 PM MDT for Box Butte County, Dawes County, Nebraska. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 29, 1998, 9:14 PM MDT (03:14 UTC)
- Expired
- May 29, 1998, 10:05 PM MDT
- In force
- 51 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Dawes County, NE
The radar
The Rapid City radar (KUDX), 185 km from the middle of the area, began a volume at 03:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 3.2 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 556 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1826 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 13.5
The text
As transmitted, in the capitals the NWS used until 2016.
476 WUUS1 KCYS 300315 RRA SVRCYS NEC013-045-300405- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 914 PM MDT FRI MAY 29 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN DAWES COUNTY IN THE NEBRASKA PANHANDLE NORTHWESTERN BOX BUTTE COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 1005 PM MDT * AT 910 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES SOUTHWEST OF CRAWFORD... MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MARSLAND AT 930 PM MDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS KYLE
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 29, 7:41 PM MDT, 1 hour 33 minutes before
WTZ060-068-NEZ001-300300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 741 PM MDT FRI MAY 29 1998 ...A STRONG THUNDERSTORM HAS DEVELOPED IN NORTHERN GOSHEN COUNTY... AT 735 PM...A STRONG THUNDERSTORM WAS LOCATED ALONG HIGHWAY 85...25 MILES TO THE NORTH OF TORRINGTON. THIS STORM DEVELOPED RAPIDLY SINCE 715 PM. THE STRONG THUNDERSTORM IS MOVING TO THE NORTHEAST AT 35 MPH AND AT ITS CURRENT MOVEMENT WILL AFFECT HARRISON NEBRASKA AROUND 820 PM. THIS STRONG STORM IS CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO 45 MPH. PEOPLE FROM NORTHEAST GOSHEN COUNTY TO HARRISON SHOULD BE AWARE OF THE APPROACHING STORM AND SEEK SHELTER IN A BUILDING WHEN THE STORM NEARS. WCJIN-WYSE WEILAND
Special weather statement, May 29, 7:41 PM MDT, 1 hour 33 minutes before
WTZ060-068-NEZ001-300300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 741 PM MDT FRI MAY 29 1998 ...A STRONG THUNDERSTORM HAS DEVELOPED IN NORTHERN GOSHEN COUNTY... AT 735 PM...A STRONG THUNDERSTORM WAS LOCATED ALONG HIGHWAY 85...25 MILES TO THE NORTH OF TORRINGTON. THIS STORM DEVELOPED RAPIDLY SINCE 715 PM. THE STRONG THUNDERSTORM IS MOVING TO THE NORTHEAST AT 35 MPH AND AT ITS CURRENT MOVEMENT WILL AFFECT HARRISON NEBRASKA AROUND 820 PM. THIS STRONG STORM IS CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO 45 MPH. PEOPLE FROM NORTHEAST GOSHEN COUNTY TO HARRISON SHOULD BE AWARE OF THE APPROACHING STORM AND SEEK SHELTER IN A BUILDING WHEN THE STORM NEARS. WCJIN-WYSE WEILAND
Special weather statement, May 29, 8:25 PM MDT, 49 minutes before
WYZ068-NEZ001-300400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 825 PM MDT FRI MAY 29 1998 ...A LINE OF STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN GOSHEN COUNTY WYOMING AND SIOUX COUNTY NEBRASKA... AT 820 PM...DOPPLER WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF TORRINGTON WYOMING TO 30 MILES WEST OF CHADRON NEBRASKA. THESE STORMS ARE MOVING NORTHEAST AT 30 MPH. AT THEIR CURRENT MOVEMENT THESE THUNDERSTORMS WILL AFFECT FORT ROBINSON AND CRAWFORD BY 850 PM. THESE STRONG STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO 45 MPH. PEOPLE IN THE PATH OF THESE STORMS IN EASTERN GOSHEN COUNTY WYOMING AND SIOUX AND DAWES COUNTY NEBRASKA SHOULD WATCH FOR THE THUNDERSTORMS AND SEEK SHELTER IN A BUILDING WHEN THEY APPROACH. WCJIN-WYSE LRE
Special weather statement, May 29, 8:25 PM MDT, 49 minutes before
WYZ068-NEZ001-300400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 825 PM MDT FRI MAY 29 1998 ...A LINE OF STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN GOSHEN COUNTY WYOMING AND SIOUX COUNTY NEBRASKA... AT 820 PM...DOPPLER WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF TORRINGTON WYOMING TO 30 MILES WEST OF CHADRON NEBRASKA. THESE STORMS ARE MOVING NORTHEAST AT 30 MPH. AT THEIR CURRENT MOVEMENT THESE THUNDERSTORMS WILL AFFECT FORT ROBINSON AND CRAWFORD BY 850 PM. THESE STRONG STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO 45 MPH. PEOPLE IN THE PATH OF THESE STORMS IN EASTERN GOSHEN COUNTY WYOMING AND SIOUX AND DAWES COUNTY NEBRASKA SHOULD WATCH FOR THE THUNDERSTORMS AND SEEK SHELTER IN A BUILDING WHEN THEY APPROACH. WCJIN-WYSE LRE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 50 min |
| May 29, 9:20 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 15 min |
| May 29, 9:31 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 49 min |
| May 29, 10:06 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 49 min |
| May 29, 10:54 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 51 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.